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You searched for: mediatype:movies AND collection:conceptualimagelab AND subject:"Byrne, Earth Science, GLAS, Gonnelli, ICEsat, Ice, Lidar, Measuring Ice, Technology"
[movies]ICEsat Data Accumulation Animation - NASA/Goddard Space Flight Center Conceptual Image Lab
Accumulating Data: Glas Builds Its Facts One Point at a Time - The technology behind GLAS is called lidar. Lidar is a distance measuring system similar to radar, except that instead of radio waves it uses pulses of laser light for range finding. The name is a contraction based on the words light and radar: Light Detection And Ranging. A lidar system determines precise distances by measuring the amount of time necessary for a pulse of light to leave an emitter, hit a target, and return...
Keywords: Byrne, Earth Science, GLAS, Gonnelli, ICEsat, Ice, Lidar, Measuring Ice, Technology; What -- ICESat; What -- Earth
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